1. Main line 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 Choose a line 1. Main line 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 2. Levenfish Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. Qe2 Qe7 9. dxc5 Bxc5 10. e4 3. Pillsbury Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. Bg5 4. Symmetrical Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O Close 1. Main line 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 2. Levenfish Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. Qe2 Qe7 9. dxc5 Bxc5 10. e4 3. Pillsbury Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. Bg5 4. Symmetrical Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O Next